It started in Florida with the death of an unarmed black teenager: 17 year old Trayvon Martin, fatally shot as he walked from a store. Tonight some of the African American mothers who’ve lost their children to police shootings and alleged racial violence are speaking at the Oxford Union.

As President elect Donald Trump considers his top cabinet appointments – we speak to DeRay Mckesson, one of the leading figures in America’s Black Lives Matter movement – about his country’s political future, at a time when open hostility and intolerance have never been more extreme.